Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Current conditions at

STONYFORD (SYWC1)

Lat: 39.35523°NLon: 122.65831°WElev: 1540.0ft.

NA

60°F

16°C

Humidity 56%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 21 Aug 01:26 AM PDT
Extended Forecast for

19 Miles NNE Clearlake CA

  • Overnight

    Overnight: Partly cloudy, with a low around 67. Southwest wind 5 to 7 mph.

    Low: 67 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 87. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 87 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 62. West southwest wind 8 to 10 mph.

    Low: 62 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 87. West wind 6 to 10 mph becoming east northeast in the morning. Winds could gust as high as 21 mph.

    High: 87 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 63. South southwest wind 7 to 11 mph becoming west northwest after midnight. Winds could gust as high as 21 mph.

    Low: 63 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 67. Southwest wind 5 to 7 mph.
Friday
Partly sunny, with a high near 87. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Mostly clear, with a low around 62. West southwest wind 8 to 10 mph.
Saturday
Sunny, with a high near 87. West wind 6 to 10 mph becoming east northeast in the morning. Winds could gust as high as 21 mph.
Saturday Night
Mostly clear, with a low around 63. South southwest wind 7 to 11 mph becoming west northwest after midnight. Winds could gust as high as 21 mph.
Sunday
Sunny, with a high near 88.
Sunday Night
Partly cloudy, with a low around 65.
Monday
Sunny, with a high near 88.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 63.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NNE Clearlake CA
 39.21°N 122.5°W (Elev. 1801 ft)
11:31 pm PDT Aug 20, 2026
1am PDT Aug 21, 2026-6pm PDT Aug 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

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